n | a(n) |
---|---|
0 | 12 |
1 | 21 |
2 | 23 |
3 | 32 |
4 | 34 |
5 | 43 |
6 | 45 |
7 | 54 |
8 | 56 |
9 | 65 |
10 | 67 |
11 | 76 |
12 | 78 |
13 | 87 |
14 | 89 |
15 | 98 |
16 | 910 |
17 | 109 |
18 | 1011 |
19 | 1110 |
20 | 1112 |
21 | 1211 |
22 | 1213 |
23 | 1312 |
24 | 1314 |
25 | 1413 |
26 | 1415 |
27 | 1514 |
28 | 1516 |
29 | 1615 |
30 | 1617 |
31 | 1716 |
32 | 1718 |
33 | 1817 |
34 | 1819 |
35 | 1918 |
36 | 1920 |
37 | 2019 |
38 | 2021 |
39 | 2120 |
40 | 2122 |
41 | 2221 |
42 | 2223 |
43 | 2322 |
44 | 2324 |
45 | 2423 |
46 | 2425 |
47 | 2524 |
48 | 2526 |
[12,21,23,32,34,43,45,54,56,65,67,76,78,87,89,98, 910,109,1011,1110,1112,1211,1213,1312,1314,1413, 1415,1514,1516,1615,1617,1716,1718,1817,1819,1918, 1920,2019,2021,2120,2122,2221,2223,2322,2324,2423, 2425,2524,2526] |